a linebacker with the kansas city chiefs. the victim is identified as his 22-year-old girlfriend kasandra perkins, the mother of his 3-month-old child. >> we heard they had been arguing in the past as far as recently they've been arguing before the shooting occurred this morning. >> reporter: the 25-year-old belcher graduated in 2008 from the university of maine. undrafted he made it to the nfl the hard way. he played every game since joining the chiefs in 2009. his last conversations were with his coach and general manager apparently thanking them for all they had done for him before pulling the trigger. a statement released this afternoon by the chiefs ceo clark hunt reads in part, our collective hearts are heavy with sympathy, thoughts, and prayers for the families and friends affected by this unthinkable tragedy. as for the team, the murder-suicide scars a 1-10 season filled with injuries and disappointment, but on this day wins and losses are put in perspective. the aunt of the victim released a statement saying our fami